package cn.tedu.v4;

import java.io.*;
import java.net.ConnectException;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Scanner;

/**
 * 客户端：登录与消息广播不冲突   √  退出  聊天室
 */

public class Client {
    private Socket socket;
    private static final String Host="127.0.0.1";
    private static final Integer PORT=4545;
    private BufferedReader br;
    private PrintWriter pw;

    public Client() {
        try {
            socket=new Socket(Host,PORT);
            br=new BufferedReader(new InputStreamReader(socket.getInputStream(),"UTF8"));
            pw=new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream(),"UTF8")),true);
        }catch (NullPointerException e){
            System.out.println("友情提示：IP传入错误导致链接失败");
        } catch (UnknownHostException e){
            System.out.println("友情提示：IP传入错误");
        } catch (ConnectException e){
            System.out.println("客户端链接失败：建议检查IP或者端口号");
        } catch (IOException e) {
            System.out.println("客户端链接服务器端失败，提示：检查IP/端口");
        }

    }
    public void start(){


        try {


            new Thread(()->{
                try {
                    String message;
                    while ((message=br.readLine())!=null){
                        System.out.println("服务器端说："+message);
                        System.out.println("客户端请输入：");
                    }
                } catch (IOException e) {
                    System.out.println("服务器读入失败");
                }

            }).start();

            Scanner input=new Scanner(System.in);
            while (true){
                System.out.println("客户端请输入");
                String line=input.nextLine();
                pw.println("客户端说："+line);
            }
        }finally {
            try {
                if (br!=null);
                br.close();
            } catch (IOException e) {
                System.out.println("客户端关闭失败");
            }
            if (pw!=null) pw.close();
            if (socket!=null&&!socket.isClosed())
                try {
                    socket.close();
                } catch (IOException e) {
                    System.out.println("通讯关闭失败");
                }
        }
    }
    public static void main(String[] args){
        new Client().start();
    }
}
